<template>
  <div class="search-result">
    <van-list
      v-model="loading"
      :finished="finished"
      finished-text="没有更多了"
      @load="onLoad"
      :error.sync="error"
      error-text="请求失败，点击重新加载"
    >
      <van-cell
        v-for="(article, index) in list"
        :key="index"
        :title="article.title"
      />
    </van-list>
  </div>
</template>

<script>
import { getSearch } from "@/api/search";
export default {
  name: "SearchResult",
  components: {},
  props: {
    searchText: {
      type: String,
      required: true,
    },
  },
  data() {
    return {
      list: [],
      loading: false,
      finished: false,
      page: 1,
      perPage: 20,
      error: false,
    };
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  methods: {
    // onLoad() {
    //   // 异步更新数据
    //   // setTimeout 仅做示例，真实场景中一般为 ajax 请求
    //   setTimeout(() => {
    //     for (let i = 0; i < 10; i++) {
    //       this.list.push(this.list.length + 1);
    //     }

    //     // 加载状态结束
    //     this.loading = false;

    //     // 数据全部加载完成
    //     if (this.list.length >= 40) {
    //       this.finished = true;
    //     }
    //   }, 1000);
    // },

    async onLoad() {
      try {
        // 1. 请求获取数据
        const { data } = await getSearch({
          page: this.page, // 页码
          per_page: this.perPage, // 每页大小
          q: this.searchText, // 搜索关键字
        });

        // 2. 将数据添加到列表中
        const { results } = data.data;
        console.log("返回的数据是", results);
        this.list.push(...results);

        // 3. 设置加载状态结束
        this.loading = false;

        // 4. 判断数据是否加载完毕
        if (results.length) {
          this.page++; // 更新获取下一页数据的页码
        } else {
          this.finished = true; // 没有数据了，将加载状态设置结束，不再 onLoad
        }
      } catch (error) {
        this.error = true;
        this.loading = false;
      }
    },
  },
};
</script>

<style scoped lang="less">
.search-container {
  .search-result {
    .van-list {
      padding-top: 108px;
    }
  }
}
</style>